Fixed searchByMime in shared cache

- searchByMime now correctly returns files recursively search through
  all the dirs
- added unit test for searchByMime

apps/files_sharing/lib/cache.php

@@ -259,17 +259,38 @@ class Shared_Cache extends Cache {
 	 * @return array
 	 */
 	public function searchByMime($mimetype) {
-
-		if (strpos($mimetype, '/')) {
-			$where = '`mimetype` = ? AND ';
-		} else {
-			$where = '`mimepart` = ? AND ';
+		$mimepart = null;
+		if (strpos($mimetype, '/') === false) {
+			$mimepart = $mimetype;
+			$mimetype = null;
 		}
 
-		$value = $this->getMimetypeId($mimetype);
-
-		return $this->searchWithWhere($where, $value);
-
+		// note: searchWithWhere is currently broken as it doesn't
+		// recurse into subdirs nor returns the correct
+		// file paths, so using getFolderContents() for now
+
+		$result = array();
+		$exploreDirs = array('');
+		while (count($exploreDirs) > 0) {
+			$dir = array_pop($exploreDirs);
+			$files = $this->getFolderContents($dir);
+			// no results?
+			if (!$files) {
+				continue;
+			}
+			foreach ($files as $file) {
+				if ($file['mimetype'] === 'httpd/unix-directory') {
+					$exploreDirs[] = ltrim($dir . '/' . $file['name'], '/');
+				}
+				else if (($mimepart && $file['mimepart'] === $mimepart) || ($mimetype && $file['mimetype'] === $mimetype)) {
+					// usersPath not reliable
+					//$file['path'] = $file['usersPath'];
+					$file['path'] = ltrim($dir . '/' . $file['name'], '/');
+					$result[] = $file;
+				}
+			}
+		}
+		return $result;
 	}
 
 	/**

apps/files_sharing/tests/cache.php

@@ -0,0 +1,134 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Vincent Petry
+ * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+require_once __DIR__ . '/base.php';
+
+class Test_Files_Sharing_Cache extends Test_Files_Sharing_Base {
+
+	function setUp() {
+		parent::setUp();
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
+
+		// prepare user1's dir structure
+		$textData = "dummy file data\n";
+		$this->view->mkdir('container');
+		$this->view->mkdir('container/shareddir');
+		$this->view->mkdir('container/shareddir/subdir');
+		$this->view->mkdir('container/shareddir/emptydir');
+
+		$textData = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+		$this->view->file_put_contents('container/not shared.txt', $textData);
+		$this->view->file_put_contents('container/shared single file.txt', $textData);
+		$this->view->file_put_contents('container/shareddir/bar.txt', $textData);
+		$this->view->file_put_contents('container/shareddir/subdir/another.txt', $textData);
+		$this->view->file_put_contents('container/shareddir/subdir/another too.txt', $textData);
+		$this->view->file_put_contents('container/shareddir/subdir/not a text file.xml', '<xml></xml>');
+
+		list($this->ownerStorage, $internalPath) = $this->view->resolvePath('');
+		$this->ownerCache = $this->ownerStorage->getCache();
+		$this->ownerStorage->getScanner()->scan('');
+
+		// share "shareddir" with user2
+		$fileinfo = $this->view->getFileInfo('container/shareddir');
+		\OCP\Share::shareItem('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
+			self::TEST_FILES_SHARING_API_USER2, 31);
+
+		$fileinfo = $this->view->getFileInfo('container/shared single file.txt');
+		\OCP\Share::shareItem('file', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
+			self::TEST_FILES_SHARING_API_USER2, 31);
+
+		// login as user2
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
+
+		// retrieve the shared storage
+		$secondView = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER2);
+		list($this->sharedStorage, $internalPath) = $secondView->resolvePath('files/Shared/shareddir');
+		$this->sharedCache = $this->sharedStorage->getCache();
+	}
+
+	function tearDown() {
+		$this->sharedCache->clear();
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
+
+		$fileinfo = $this->view->getFileInfo('container/shareddir');
+		\OCP\Share::unshare('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
+			self::TEST_FILES_SHARING_API_USER2);
+
+		$fileinfo = $this->view->getFileInfo('container/shared single file.txt');
+		\OCP\Share::unshare('file', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
+			self::TEST_FILES_SHARING_API_USER2);
+
+		$this->view->deleteAll('container');
+
+		$this->ownerCache->clear();
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Test searching by mime type
+	 */
+	function testSearchByMime() {
+		$results = $this->sharedStorage->getCache()->searchByMime('text');
+		$check = array(
+				array(
+					'name' => 'shared single file.txt',
+					'path' => 'shared single file.txt'
+				),
+				array(
+					'name' => 'bar.txt',
+					'path' => 'shareddir/bar.txt'
+				),
+				array(
+					'name' => 'another too.txt',
+					'path' => 'shareddir/subdir/another too.txt'
+				),
+				array(
+					'name' => 'another.txt',
+					'path' => 'shareddir/subdir/another.txt'
+				),
+			);
+		$this->verifyFiles($check, $results);
+
+		$results2 = $this->sharedStorage->getCache()->searchByMime('text/plain');
+
+		$this->verifyFiles($check, $results);
+	}
+
+	/**
+	 * Checks that all provided attributes exist in the files list,
+	 * only the values provided in $examples will be used to check against
+	 * the file list. The files order also needs to be the same.
+	 *
+	 * @param array $examples array of example files
+	 * @param array $files array of files
+	 */
+	private function verifyFiles($examples, $files) {
+		$this->assertEquals(count($examples), count($files));
+		foreach ($files as $i => $file) {
+			foreach ($examples[$i] as $key => $value) {
+				$this->assertEquals($value, $file[$key]);
+			}
+		}
+	}
+}